<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="任务名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入任务名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <!-- <el-form-item label="任务排序" prop="sort">
        <el-input
          v-model="queryParams.sort"
          placeholder="请输入任务排序"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="所属课程" prop="courseId">
        <el-select v-model="queryParams.courseId" clearable filterable remote :loading="loading" placeholder="请选择所属课程"
          @change="changeQueryCourse">
          <el-option v-for="item in optionsCourse" :key="item.id" :label="item.name" :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="所属单元" prop="unitId">
        <el-select v-model="queryParams.unitId" clearable filterable remote :loading="loading" placeholder="请输入所属单元"
          @click.native="initOptionsUnit(1)">
          <el-option v-for="item in optionsUnit" :key="item.id" :label="item.name" :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>


      <el-form-item label="课程状态" prop="validFlag">
        <el-select v-model="queryParams.validFlag" placeholder="是否有效" clearable>
          <el-option label="无效" :value="0" />
          <el-option label="有效" :value="1" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['student:task:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['student:task:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['student:task:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['student:task:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="taskList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键" width="55" align="center" prop="id" />
      <el-table-column label="任务名称" align="center" prop="name" />
      <el-table-column label="所属课程名称" align="center" prop="courseName" />
      <el-table-column label="所属单元名称" align="center" prop="unitName" />
      <el-table-column label="结果代码" align="center" prop="resultCode">
        <template slot-scope="scope">
          <div v-if='scope.row.resultCode && (scope.row.resultCode.length > 10)'>
            <el-popover title="详细" trigger="hover" placement="top" width="200">
              <p>{{ scope.row.resultCode }}</p>
              <div slot="reference">
                <p size="medium">{{ scope.row.resultCode | resultCode }}</p>
              </div>
            </el-popover>
          </div>
          <div v-else>
            <span>{{ scope.row.resultCode }}</span>
          </div>
        </template>
      </el-table-column>
      <el-table-column label="效果图片" align="center" prop="resultImage" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.resultImage" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="创建人" align="center" prop="creatorName" />
      <el-table-column label="课程状态" align="center" prop="validFlag">
        <template slot-scope="scope">
          <!-- 用active-value="1" inactive-value="0"时的active-value值类型为string，如果要求active-value值类型为number时，必须在其前面加上冒号(:)来转换 -->
          <el-switch v-model="scope.row.validFlag" :active-value="1" :inactive-value="0"
            @change="handleValidFlagChange(scope.row)"></el-switch>
        </template>
      </el-table-column>
      <!-- <el-table-column label="任务描述" align="center" prop="remark" /> -->
      <el-table-column label="创建时间" align="center" prop="createTime" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['student:task:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-folder-opened" @click="handleView(scope.row)"
            v-hasPermi="['student:task:view']">详情</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['student:task:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改任务对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="70%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="任务名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入任务名称" />
        </el-form-item>
        <el-form-item label="所属课程" prop="courseId">
          <el-select style="width: 100%" v-model="form.courseId" clearable filterable remote :loading="loading"
            placeholder="请选择所属课程" @change="changeCourse">
            <el-option v-for="item in optionsCourse" :key="item.id" :label="item.name" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="所属单元" prop="unitId">
          <el-select v-model="form.unitId" clearable filterable remote :loading="loading" placeholder="请选择所属单元"
            style="width: 100%" @click.native="initOptionsUnit(2)">
            <el-option v-for="item in optionsUnit" :key="item.id" :label="item.name" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="任务描述" prop="remark">
          <editor v-model="form.remark" :min-height="192" />
        </el-form-item>
        <el-form-item label="初始HTML代码" prop="initHtmlCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmHtmlOption" v-model="form.initHtmlCode" ref="initHtmlCode" />
        </el-form-item>
        <el-form-item label="结果HTML代码" prop="resultCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmHtmlOption" v-model="form.resultCode" ref="resultCode" />
        </el-form-item>
        <el-form-item label="初始CSS代码" prop="initCssCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmHtmlOption" v-model="form.initCssCode" ref="initCssCode" />
        </el-form-item>
        <el-form-item label="结果CSS代码" prop="resultCssCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmHtmlOption" v-model="form.resultCssCode" ref="resultCssCode" />
        </el-form-item>
        <el-form-item label="初始JS代码" prop="initJsCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmJSOption" v-model="form.initJsCode" ref="initJsCode" />
        </el-form-item>
        <el-form-item label="结果JS代码" prop="resultJsCode">
          <!-- <editor v-model="form.resultCode" :min-height="20" /> -->
          <codemirror :options="cmJSOption" v-model="form.resultJsCode" ref="resultJsCode" />
        </el-form-item>
        <el-form-item label="效果图片" prop="resultImage">
          <image-upload v-model="form.resultImage" />
        </el-form-item>

        <el-form-item label="课程状态" prop="validFlag">
          <el-radio-group v-model="form.validFlag">
            <el-radio :label="1">有效</el-radio>
            <el-radio :label="0">无效</el-radio>
          </el-radio-group>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listTask, getTask, delTask, addTask, updateTask } from "@/api/student/task";
import { listCourse } from "@/api/student/course";
import { listUnit, getUnit } from "@/api/student/unit";
import { codemirror } from 'vue-codemirror'
import "@/api/student/setting";
export default {
  name: "Task",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 任务表格数据
      taskList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        sort: null,
        courseId: null,
        courseName: null,
        unitId: null,
        unitName: null,
        resultCode: null,
        resultImage: null,
        creatorId: null,
        validFlag: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      optionsCourse: [],
      optionsUnit: [],

      // html 代码 codemirror 配置项
      cmHtmlOption: {
        lint: true, // 开启语法检查
        // tab宽度
        tabSize: 4,
        indentUnit: 4,
        foldGutter: true,
        // 高亮行功能
        styleActiveLine: true,
        // 调整scrollbar样式功能
        // scrollbarStyle: "overlay",
        // 自动括号匹配功能
        matchBrackets: true,
        // 显示行数
        lineNumbers: true,
        line: true,
        // 软换行
        lineWrapping: true,
        // 主题
        theme: "cobalt",
        keyMap: "sublime",
        // 语言及语法模式
        mode: {
          name: "htmlmixed",
          scriptTypes: [
            {
              matches: /\/x-handlebars-template|\/x-mustache/i,
              mode: null,
            },
            {
              matches: /(text|application)\/(x-)?vb(a|script)/i,
              mode: "vbscript",
            },
          ],
        },
        collapseIdentical: false,
        highlightDifferences: true,
        viewportMargin: Infinity,
        // 代码提示功能
        hintOptions: {
          // 避免由于提示列表只有一个提示信息时，自动填充
          completeSingle: false,
        },
      },
      cmJSOption: {
        tabSize: 2, // tab
        styleActiveLine: true, // 高亮选中行
        lineNumbers: true, // 显示行号
        styleSelectedText: true,
        line: true,
        foldGutter: true, // 块槽
        gutters: ['CodeMirror-linenumbers', 'CodeMirror-foldgutter'],
        highlightSelectionMatches: { showToken: /\w/, annotateScrollbar: true }, // 可以启用该选项来突出显示当前选中的内容的所有实例
        mode: { // 模式, 可查看 codemirror/mode 中的所有模式
          name: 'javascript',
          json: true
        },
        // hint.js options
        hintOptions: {
          // 当匹配只有一项的时候是否自动补全
          completeSingle: false
        },
        // 快捷键 可提供三种模式 sublime、emacs、vim
        keyMap: 'sublime',
        matchBrackets: true,
        showCursorWhenSelecting: true,
        theme: 'monokai', // 主题 
        extraKeys: { 'Ctrl': 'autocomplete' } // 可以用于为编辑器指定额外的键绑定，以及keyMap定义的键绑定
      }
    };
  },
  created() {
    this.getList();
    this.initOptionsCourse();
  },
  methods: {
    /** 查询任务列表 */
    getList() {
      this.loading = true;
      listTask(this.queryParams).then(response => {
        this.taskList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        sort: null,
        courseId: null,
        courseName: null,
        unitId: null,
        unitName: null,
        resultCode: null,
        resultImage: null,
        creatorId: null,
        createTime: null,
        updateTime: null,
        createBy: null,
        updateBy: null,
        validFlag: null,
        remark: null,
        initCssCode: null,
        initJsCode: null,
        resultJsCode: null,
        resultCssCode: null,
        initHtmlCode: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加任务";
    },
    /** 详情按钮操作 */
    handleView(row) {
      this.handleToDetailPage(row.id)
    },
    // 跳转到任务详情页面(路由跳转)
    handleToDetailPage(id) {
      this.$router.push({
        name: 'taskDetail',
        query: {
          id: id
        },
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      console.log(row);
      getUnit(row.unitId).then((res) => {
        console.log(res);
        this.optionsUnit = [];
        this.optionsUnit.push(res.data);
        console.log("修改按钮操作输出：")
        console.log(this.optionsUnit);
        getTask(id).then(response => {
          console.log(typeof (response.data));
          response.data.courseId = Number(response.data.courseId);
          response.data.unitId = Number(response.data.unitId);
          this.form = response.data;
          this.open = true;
          this.title = "修改任务";
          // 在弹出详情框完全打开后执行另一个函数  
          this.$nextTick(() => {  
            this.setCodemirrorValue()
          });
        });
      });

      // 修改时自动添加所属单元


    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          console.log("任务数据：");
          console.log(this.form);
          if (this.form.id != null) {
            updateTask(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTask(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除任务编号为"' + ids + '"的数据项？').then(function () {
        return delTask(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('student/task/export', {
        ...this.queryParams
      }, `task_${new Date().getTime()}.xlsx`)
    },
    // 初始化课程
    initOptionsCourse() {
      listCourse({ pageNum: 1, pageSize: 10000 }).then((res) => {
        this.optionsCourse = res.rows;
        console.log("输出：")
        console.log(this.optionsCourse);
      });
    },
    // 初始化单元
    initOptionsUnit(type) {
      var _this = this;
      var data = { pageNum: 1, pageSize: 10000 };
      if (type == 1) {
        if (_this.queryParams.courseId == null) {
          this.$modal.msgError("请先选择课程");
          return false;
        }
        data.courseId = _this.queryParams.courseId;
      } else {
        if (_this.form.courseId == null) {
          this.$modal.msgError("请先选择课程");
          return false;
        }
        data.courseId = _this.form.courseId;
      }
      listUnit(data).then((res) => {
        this.optionsUnit = [];
        console.log(res.rows);
        this.optionsUnit = res.rows;
        console.log("输出：")
        console.log(this.optionsUnit);
      });
    },
    changeCourse() {
      this.form.unitId = null;
    },
    changeQueryCourse() {
      this.queryParams.unitId = null;
      this.optionsUnit = [];
    },
    setCodemirrorValue() {
      const initHtmlCodeEditor = this.$refs.initHtmlCode.codemirror;
      const initCssCodeEditor = this.$refs.initCssCode.codemirror;
      const initJsCodeEditor = this.$refs.initJsCode.codemirror;
      const resultCodeEditor = this.$refs.resultCode.codemirror;
      const resultCssCodeEditor = this.$refs.resultCssCode.codemirror;
      const resultJsCodeEditor = this.$refs.resultJsCode.codemirror;
      if (this.form.initHtmlCode == null) {
        this.form.initHtmlCode = "";
      }
      if (this.form.initCssCode == null) {
        this.form.initCssCode = "";
      }
      if (this.form.initJsCode == null) {
        this.form.initJsCode = "";
      }
      if (this.form.resultCode == null) {
        this.form.resultCode = "";
      }
      if (this.form.resultCssCode == null) {
        this.form.resultCssCode = "";
      }
      if (this.form.resultJsCode == null) {
        this.form.resultJsCode = "";
      }
      initHtmlCodeEditor.setValue(this.form.initHtmlCode);
      initCssCodeEditor.setValue(this.form.initCssCode);
      initJsCodeEditor.setValue(this.form.initJsCode);
      resultCodeEditor.setValue(this.form.resultCode);
      resultCssCodeEditor.setValue(this.form.resultCssCode);
      resultJsCodeEditor.setValue(this.form.resultJsCode);
    }
  },
  filters: {
    resultCode(value) {
      if (!value) {
        return
      } else {
        if (value.length > 10) {
          var target = value.substr(0, 10) + '....'
        } else {
          target = value
        }
        return target;
      }
    },
  },

};
</script>
